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javax.swing
Class JRadioButton
java.lang.Object
java.awt.Component
java.awt.Container
javax.swing.JComponent
javax.swing.AbstractButton
javax.swing.JToggleButton
javax.swing.JRadioButton
-
All Implemented Interfaces:
-
ImageObserver
,
ItemSelectable
,
MenuContainer
,
Serializable
,
Accessible
,
SwingConstants
-
public class JRadioButton
- extends JToggleButton
- implements Accessible
An implementation of a radio button -- an item that can be selected or deselected, and which displays its state to the user. Used with a
ButtonGroup
object to create a group of buttons in which only one button at a time can be selected. (Create a ButtonGroup object and use its add method to include the JRadioButton objects in the group.)
Note: The ButtonGroup object is a logical grouping -- not a physical grouping. Tocreate a button panel, you should still create a
JPanel
or similar container-object and add a
Border
to it to set it off from surrounding components.
Buttons can be configured, and to some degree controlled, by
Action
s. Using an Action with a button has many benefits beyond directly configuring a button. Refer to
Swing Components Supporting Action
for more details, and you can find more information in
How to Use Actions
, a section in The Java Tutorial.
See
How to Use Buttons, Check Boxes, and Radio Buttons
in The Java Tutorial for further documentation.
Warning: Swing is not thread safe. For more information see
Swing's Threading Policy
.
Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans
TM
has been added to the java.beans package. Please see
XMLEncoder
.
-
See Also:
-
ButtonGroup
,
JCheckBox
Fields inherited from class javax.swing.
AbstractButton
|
actionListener
,
BORDER_PAINTED_CHANGED_PROPERTY
,
changeEvent
,
changeListener
,
CONTENT_AREA_FILLED_CHANGED_PROPERTY
,
DISABLED_ICON_CHANGED_PROPERTY
,
DISABLED_SELECTED_ICON_CHANGED_PROPERTY
,
FOCUS_PAINTED_CHANGED_PROPERTY
,
HORIZONTAL_ALIGNMENT_CHANGED_PROPERTY
,
HORIZONTAL_TEXT_POSITION_CHANGED_PROPERTY
,
ICON_CHANGED_PROPERTY
,
itemListener
,
MARGIN_CHANGED_PROPERTY
,
MNEMONIC_CHANGED_PROPERTY
,
model
,
MODEL_CHANGED_PROPERTY
,
PRESSED_ICON_CHANGED_PROPERTY
,
ROLLOVER_ENABLED_CHANGED_PROPERTY
,
ROLLOVER_ICON_CHANGED_PROPERTY
,
ROLLOVER_SELECTED_ICON_CHANGED_PROPERTY
,
SELECTED_ICON_CHANGED_PROPERTY
,
TEXT_CHANGED_PROPERTY
,
VERTICAL_ALIGNMENT_CHANGED_PROPERTY
,
VERTICAL_TEXT_POSITION_CHANGED_PROPERTY
|
Fields inherited from interface javax.swing.
SwingConstants
|
BOTTOM
,
CENTER
,
EAST
,
HORIZONTAL
,
LEADING
,
LEFT
,
NEXT
,
NORTH
,
NORTH_EAST
,
NORTH_WEST
,
PREVIOUS
,
RIGHT
,
SOUTH
,
SOUTH_EAST
,
SOUTH_WEST
,
TOP
,
TRAILING
,
VERTICAL
,
WEST
|
Constructor Summary
|
JRadioButton
()
Creates an initially unselected radio button with no set text. |
JRadioButton
(
Action
a)
Creates a radiobutton where properties are taken from the Action supplied. |
JRadioButton
(
Icon
icon)
Creates an initially unselected radio button with the specified image but no text. |
JRadioButton
(
Icon
icon, boolean selected)
Creates a radio button with the specified image and selection state, but no text. |
JRadioButton
(
String
text)
Creates an unselected radio button with the specified text. |
JRadioButton
(
String
text, boolean selected)
Creates a radio button with the specified text and selection state. |
JRadioButton
(
String
text,
Icon
icon)
Creates a radio button that has the specified text and image, and that is initially unselected. |
JRadioButton
(
String
text,
Icon
icon, boolean selected)
Creates a radio button that has the specified text, image, and selection state. |
Methods inherited from class javax.swing.
AbstractButton
|
actionPropertyChanged
,
addActionListener
,
addChangeListener
,
addImpl
,
addItemListener
,
checkHorizontalKey
,
checkVerticalKey
,
configurePropertiesFromAction
,
createActionListener
,
createActionPropertyChangeListener
,
createChangeListener
,
createItemListener
,
doClick
,
doClick
,
fireActionPerformed
,
fireItemStateChanged
,
fireStateChanged
,
getAction
,
getActionCommand
,
getActionListeners
,
getChangeListeners
,
getDisabledIcon
,
getDisabledSelectedIcon
,
getDisplayedMnemonicIndex
,
getHideActionText
,
getHorizontalAlignment
,
getHorizontalTextPosition
,
getIcon
,
getIconTextGap
,
getItemListeners
,
getLabel
,
getMargin
,
getMnemonic
,
getModel
,
getMultiClickThreshhold
,
getPressedIcon
,
getRolloverIcon
,
getRolloverSelectedIcon
,
getSelectedIcon
,
getSelectedObjects
,
getText
,
getUI
,
getVerticalAlignment
,
getVerticalTextPosition
,
imageUpdate
,
init
,
isBorderPainted
,
isContentAreaFilled
,
isFocusPainted
,
isRolloverEnabled
,
isSelected
,
paintBorder
,
removeActionListener
,
removeChangeListener
,
removeItemListener
,
removeNotify
,
setAction
,
setActionCommand
,
setBorderPainted
,
setContentAreaFilled
,
setDisabledIcon
,
setDisabledSelectedIcon
,
setDisplayedMnemonicIndex
,
setEnabled
,
setFocusPainted
,
setHideActionText
,
setHorizontalAlignment
,
setHorizontalTextPosition
,
setIcon
,
setIconTextGap
,
setLabel
,
setLayout
,
setMargin
,
setMnemonic
,
setMnemonic
,
setModel
,
setMultiClickThreshhold
,
setPressedIcon
,
setRolloverEnabled
,
setRolloverIcon
,
setRolloverSelectedIcon
,
setSelected
,
setSelectedIcon
,
setText
,
setUI
,
setVerticalAlignment
,
setVerticalTextPosition
|
Methods inherited from class javax.swing.
JComponent
|
addAncestorListener
,
addNotify
,
addVetoableChangeListener
,
computeVisibleRect
,
contains
,
createToolTip
,
disable
,
enable
,
firePropertyChange
,
firePropertyChange
,
firePropertyChange
,
fireVetoableChange
,
getActionForKeyStroke
,
getActionMap
,
getAlignmentX
,
getAlignmentY
,
getAncestorListeners
,
getAutoscrolls
,
getBaseline
,
getBaselineResizeBehavior
,
getBorder
,
getBounds
,
getClientProperty
,
getComponentGraphics
,
getComponentPopupMenu
,
getConditionForKeyStroke
,
getDebugGraphicsOptions
,
getDefaultLocale
,
getFontMetrics
,
getGraphics
,
getHeight
,
getInheritsPopupMenu
,
getInputMap
,
getInputMap
,
getInputVerifier
,
getInsets
,
getInsets
,
getListeners
,
getLocation
,
getMaximumSize
,
getMinimumSize
,
getNextFocusableComponent
,
getPopupLocation
,
getPreferredSize
,
getRegisteredKeyStrokes
,
getRootPane
,
getSize
,
getToolTipLocation
,
getToolTipText
,
getToolTipText
,
getTopLevelAncestor
,
getTransferHandler
,
getVerifyInputWhenFocusTarget
,
getVetoableChangeListeners
,
getVisibleRect
,
getWidth
,
getX
,
getY
,
grabFocus
,
isDoubleBuffered
,
isLightweightComponent
,
isManagingFocus
,
isOpaque
,
isOptimizedDrawingEnabled
,
isPaintingForPrint
,
isPaintingTile
,
isRequestFocusEnabled
,
isValidateRoot
,
paint
,
paintChildren
,
paintComponent
,
paintImmediately
,
paintImmediately
,
print
,
printAll
,
printBorder
,
printChildren
,
printComponent
,
processComponentKeyEvent
,
processKeyBinding
,
processKeyEvent
,
processMouseEvent
,
processMouseMotionEvent
,
putClientProperty
,
registerKeyboardAction
,
registerKeyboardAction
,
removeAncestorListener
,
removeVetoableChangeListener
,
repaint
,
repaint
,
requestDefaultFocus
,
requestFocus
,
requestFocus
,
requestFocusInWindow
,
requestFocusInWindow
,
resetKeyboardActions
,
reshape
,
revalidate
,
scrollRectToVisible
,
setActionMap
,
setAlignmentX
,
setAlignmentY
,
setAutoscrolls
,
setBackground
,
setBorder
,
setComponentPopupMenu
,
setDebugGraphicsOptions
,
setDefaultLocale
,
setDoubleBuffered
,
setFocusTraversalKeys
,
setFont
,
setForeground
,
setInheritsPopupMenu
,
setInputMap
,
setInputVerifier
,
setMaximumSize
,
setMinimumSize
,
setNextFocusableComponent
,
setOpaque
,
setPreferredSize
,
setRequestFocusEnabled
,
setToolTipText
,
setTransferHandler
,
setUI
,
setVerifyInputWhenFocusTarget
,
setVisible
,
unregisterKeyboardAction
,
update
|
Methods inherited from class java.awt.
Container
|
add
,
add
,
add
,
add
,
add
,
addContainerListener
,
addPropertyChangeListener
,
addPropertyChangeListener
,
applyComponentOrientation
,
areFocusTraversalKeysSet
,
countComponents
,
deliverEvent
,
doLayout
,
findComponentAt
,
findComponentAt
,
getComponent
,
getComponentAt
,
getComponentAt
,
getComponentCount
,
getComponents
,
getComponentZOrder
,
getContainerListeners
,
getFocusTraversalKeys
,
getFocusTraversalPolicy
,
getLayout
,
getMousePosition
,
insets
,
invalidate
,
isAncestorOf
,
isFocusCycleRoot
,
isFocusCycleRoot
,
isFocusTraversalPolicyProvider
,
isFocusTraversalPolicySet
,
layout
,
list
,
list
,
locate
,
minimumSize
,
paintComponents
,
preferredSize
,
printComponents
,
processContainerEvent
,
processEvent
,
remove
,
remove
,
removeAll
,
removeContainerListener
,
setComponentZOrder
,
setFocusCycleRoot
,
setFocusTraversalPolicy
,
setFocusTraversalPolicyProvider
,
transferFocusBackward
,
transferFocusDownCycle
,
validate
,
validateTree
|
Methods inherited from class java.awt.
Component
|
action
,
add
,
addComponentListener
,
addFocusListener
,
addHierarchyBoundsListener
,
addHierarchyListener
,
addInputMethodListener
,
addKeyListener
,
addMouseListener
,
addMouseMotionListener
,
addMouseWheelListener
,
bounds
,
checkImage
,
checkImage
,
coalesceEvents
,
contains
,
createImage
,
createImage
,
createVolatileImage
,
createVolatileImage
,
disableEvents
,
dispatchEvent
,
enable
,
enableEvents
,
enableInputMethods
,
firePropertyChange
,
firePropertyChange
,
firePropertyChange
,
firePropertyChange
,
firePropertyChange
,
firePropertyChange
,
getBackground
,
getBounds
,
getColorModel
,
getComponentListeners
,
getComponentOrientation
,
getCursor
,
getDropTarget
,
getFocusCycleRootAncestor
,
getFocusListeners
,
getFocusTraversalKeysEnabled
,
getFont
,
getForeground
,
getGraphicsConfiguration
,
getHierarchyBoundsListeners
,
getHierarchyListeners
,
getIgnoreRepaint
,
getInputContext
,
getInputMethodListeners
,
getInputMethodRequests
,
getKeyListeners
,
getLocale
,
getLocation
,
getLocationOnScreen
,
getMouseListeners
,
getMouseMotionListeners
,
getMousePosition
,
getMouseWheelListeners
,
getName
,
getParent
,
getPeer
,
getPropertyChangeListeners
,
getPropertyChangeListeners
,
getSize
,
getToolkit
,
getTreeLock
,
gotFocus
,
handleEvent
,
hasFocus
,
hide
,
inside
,
isBackgroundSet
,
isCursorSet
,
isDisplayable
,
isEnabled
,
isFocusable
,
isFocusOwner
,
isFocusTraversable
,
isFontSet
,
isForegroundSet
,
isLightweight
,
isMaximumSizeSet
,
isMinimumSizeSet
,
isPreferredSizeSet
,
isShowing
,
isValid
,
isVisible
,
keyDown
,
keyUp
,
list
,
list
,
list
,
location
,
lostFocus
,
mouseDown
,
mouseDrag
,
mouseEnter
,
mouseExit
,
mouseMove
,
mouseUp
,
move
,
nextFocus
,
paintAll
,
postEvent
,
prepareImage
,
prepareImage
,
processComponentEvent
,
processFocusEvent
,
processHierarchyBoundsEvent
,
processHierarchyEvent
,
processInputMethodEvent
,
processMouseWheelEvent
,
remove
,
removeComponentListener
,
removeFocusListener
,
removeHierarchyBoundsListener
,
removeHierarchyListener
,
removeInputMethodListener
,
removeKeyListener
,
removeMouseListener
,
removeMouseMotionListener
,
removeMouseWheelListener
,
removePropertyChangeListener
,
removePropertyChangeListener
,
repaint
,
repaint
,
repaint
,
resize
,
resize
,
setBounds
,
setBounds
,
setComponentOrientation
,
setCursor
,
setDropTarget
,
setFocusable
,
setFocusTraversalKeysEnabled
,
setIgnoreRepaint
,
setLocale
,
setLocation
,
setLocation
,
setName
,
setSize
,
setSize
,
show
,
show
,
size
,
toString
,
transferFocus
,
transferFocusUpCycle
|
JRadioButton
public JRadioButton()
-
Creates an initially unselected radio button with no set text.
JRadioButton
public JRadioButton(Icon icon)
-
Creates an initially unselected radio button with the specified image but no text.
-
Parameters:
-
icon - the image that the button should display
JRadioButton
public JRadioButton(Action a)
-
Creates a radiobutton where properties are taken from the Action supplied.
-
Since:
-
1.3
JRadioButton
public JRadioButton(Icon icon,
boolean selected)
-
Creates a radio button with the specified image and selection state, but no text.
-
Parameters:
-
icon - the image that the button should display
-
selected - if true, the button is initially selected; otherwise, the button is initially unselected
JRadioButton
public JRadioButton(String text)
-
Creates an unselected radio button with the specified text.
-
Parameters:
-
text - the string displayed on the radio button
JRadioButton
public JRadioButton(String text,
boolean selected)
-
Creates a radio button with the specified text and selection state.
-
Parameters:
-
text - the string displayed on the radio button
-
selected - if true, the button is initially selected; otherwise, the button is initially unselected
JRadioButton
public JRadioButton(String text,
Icon icon)
-
Creates a radio button that has the specified text and image, and that is initially unselected.
-
Parameters:
-
text - the string displayed on the radio button
-
icon - the image that the button should display
JRadioButton
public JRadioButton(String text,
Icon icon,
boolean selected)
-
Creates a radio button that has the specified text, image, and selection state.
-
Parameters:
-
text - the string displayed on the radio button
-
icon - the image that the button should display
updateUI
public void updateUI()
-
Resets the UI property to a value from the current look and feel.
-
-
Overrides:
-
updateUI
in class
JToggleButton
-
-
See Also:
-
JComponent.updateUI()
getUIClassID
public String getUIClassID()
-
Returns the name of the L&F class that renders this component.
-
-
Overrides:
-
getUIClassID
in class
JToggleButton
-
-
Returns:
-
String "RadioButtonUI"
-
See Also:
-
JComponent.getUIClassID()
,
UIDefaults.getUI(javax.swing.JComponent)
paramString
protected String paramString()
-
Returns a string representation of this JRadioButton. This method is intended to be used only for debugging purposes, and the content and format of the returned string may vary between implementations. The returned string may be empty but may not be null.
-
-
Overrides:
-
paramString
in class
JToggleButton
-
-
Returns:
-
a string representation of this JRadioButton.
getAccessibleContext
public AccessibleContext getAccessibleContext()
-
Gets the AccessibleContext associated with this JRadioButton. For JRadioButtons, the AccessibleContext takes the form of an AccessibleJRadioButton. A new AccessibleJRadioButton instance is created if necessary.
-
-
Specified by:
-
getAccessibleContext
in interface
Accessible
-
Overrides:
-
getAccessibleContext
in class
JToggleButton
-
-
Returns:
-
an AccessibleJRadioButton that serves as the AccessibleContext of this JRadioButton